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Hopefully a quick confirmation question ... My understanding is that the Download Tool is based on libcurl. From my reading of the curl docs, I can't see that curl supports the passing of 'known host' public keys to validate server connections. It seems that the only option is to disable the check of server public key.
Has anyone else seen this and know of a solution (using the Download Tool)? PuTTY and other SSH clients have a 'known host' parm that can be provided to account for this situation. Do we know if libcurl have plans to add this functionality?
I have NOT checked back on the Download Tool and the version of libcurl installed with Designer, but it would be relatively easy for you to check.
I ended up sending the Alteryx information to a temp file and then used PuTTY 0.70 (or higher) to get access to the multiple host key functionality. I actually created 2 versions - macro and python - to connect Alteryx and PuTTY. The simplest way to get started is to use PuTTY command line tool (psftp.exe) manually until you understand the syntax, and then replicate the functionality in the macro or in python.
Depending on your computer environment (enterprise/home/business/etc) you may already have an openssh client installed with recent versions of Windows 10. Read this documentation to get started and then check your environment to see if it exists: